Perfusion CT of head and neck cancer

Razek, Ahmed Abdel Khalek Abdel; Tawfik, Ahmed; Elsorogy, Lamiaa Galal; Soliman, Nermin

doi:10.1016/j.ejrad.2013.12.008

Cited by 88 publications

(49 citation statements)

References 46 publications

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“…In addition, METAVIR is not a continuous scale, and the increased accumulation of fibrous tissue upon different stages of fibrosis is not linear (34). Third, this study performed DW-MRI of the liver; however, future studies using diffusion tensor MRI and MR spectroscopy will achieve better results (35)(36)(37).…”

Section: Discussionmentioning

confidence: 99%

Does steatosis affect the performance of diffusion-weighted MRI values for fibrosis evaluation in patients with chronic hepatitis C genotype 4?

Besheer¹,

Razek²,

Bendary³

et al. 2017

Turk J Gastroenterol

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Section: Discussionmentioning

confidence: 99%

Does steatosis affect the performance of diffusion-weighted MRI values for fibrosis evaluation in patients with chronic hepatitis C genotype 4?

Besheer¹,

Razek²,

Bendary³

et al. 2017

Turk J Gastroenterol

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“…CT perfusion has been reported to provide vascular information about HNC, though there is increasing concern for exposure to ionizing radiation. 2 FDG-PET is also widely used for initial staging and monitoring response to treatment. However, there is increasing restriction in the number of FDG-PET scans that any patient can undergo during the entire treatment course.…”

mentioning

confidence: 99%

Dynamic Contrast-Enhanced MR Imaging in Head and Neck Cancer: Techniques and Clinical Applications

Gaddikeri

Tailor

et al. 2015

AJNR Am J Neuroradiol

104

117

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SUMMARY:In the past decade, dynamic contrast-enhanced MR imaging has had an increasing role in assessing the microvascular characteristics of various tumors, including head and neck cancer. Dynamic contrast-enhanced MR imaging allows noninvasive assessment of permeability and blood flow, both important features of tumor hypoxia, which is a marker for treatment resistance for head and neck cancer. Dynamic contrast-enhanced MR imaging has the potential to identify early locoregional recurrence, differentiate metastatic lymph nodes from normal nodes, and predict tumor response to treatment and treatment monitoring in patients with head and neck cancer. Quantitative analysis is in its early stage and standardization and refinement of technique are essential. In this article, we review the techniques of dynamic contrast-enhanced MR imaging data acquisition, analytic methods, current limitations, and clinical applications in head and neck cancer. ABBREVIATIONS:AIF ϭ arterial input function; DCE-MR imaging ϭ dynamic contrast-enhanced MR imaging; EES ϭ extracellular extravascular space; GCA ϭ

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“…Main clinical applications of MRS in the head and neck area include characterization of the head and neck masses, prediction of treatment response to therapy, and monitoring patients with head and neck cancer undergoing therapy (44). In this setting, previous articles evidenced higher choline/creatine ratios in squamous cell carcinoma compared with normal tissues (i.e., muscle).…”

Section: Head and Neck Cancermentioning

confidence: 97%